GY-4466 Electret Microphone Amplifier MAX4466 Adjustable Amplifier Module DC 2.4-5V For Arduino

XH-M125 XPT8871 Mono Amplifier Board DC 5V 1A 5W Audio Placa Amplificador Mini Speaker Sound Board Volume Control

MAX4466 Microphone Amplifier Module Sound Sensor 2.4V To 5.5V Microphone Preamplifier

Audio Decoder Board Recording High Performance Display Screen Lossless for Speaker Car Music MP3

Mini PAM8403 Digital Audio Amplifier Board 4 Channels 3W*4 DC 5V Stereo Sound AMP with Cable for Speaker

Digital Radio Receiver Module Stereo Wireless FM Modules with LCD Display 50Hz‑18KHz

Mini 50Wx2 BT 5.0 Wireless Audio Digital Power Amplifier Infinite Tuning Stereo Board Amp Dual

23 × 15mm Audio Module 3.3v-6v Bluetooth DC Power Supply

MP3 Decoder Board with Amplifier, Supports TF Card & USB for Lossless Playback

Microphone Condenser Modification Circuit Board Amplifier Board Circuit Board Production Repair

1PCS TDA2030 Module Power Supply TDA2030 Audio Amplifier Board Module TDA2030A 6-12V Single

XYBTMini Bluetooth 4.1 Decoder Board MP3 Lossless Car Speaker Amplifier Modified Module

5V 20W Amplifier Bluetooth MP3 WMA APE Decoder Board Handsfree Car Audio Microphone USB TF FM Radio DIY Mp3 Music Player Speakers Volume Control DIY

NE555 CD4017 IC LED Electronic Lights Kits Red Blue Dual-Color DIY Kit Strobe Electronic Suit Flashing Lights Components DIY

DC 3V-5V 5351 Si5351A Si5351 I2C Clock Generator Breakout Board Module Signal Generator Clock 8KHz-160MHz For Arduino

Tpa3110 Xh-A232 30W+30W 2.0 Channel Digital Stereo Audio Power Amplifier Board

12V Accumulator Storage Battery Low Voltage Undervoltage Overcharge Discharge Sound Alarm Buzzer Detector Protection Board

XH-M567 DC 12-24V 80Wx2 Digital Audio TPA3116D2 Treble Bass Regulating Preset Pre Dual-channel

Microphone Board Amplifier Module Voice Audio Signal Amplification Adjustable Gain DC 2.610V

BT 5.0 Amplifier Board 2.0 Channel 2x50W Bass and Treble Control Power Amplifier Module for Store

DX-0408 Digital Power Amplifier Board Speaker Stereo Home Module Audio STK4102/4122/4112/4132/4182